Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 11.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2018   03:21:09   ( -68.35, -51.76) 04/13/2018   03:22:21  ( -68.33, -51.76)    2.78                72
 04/13/2018   04:11:53   (  68.22, 115.71) 04/13/2018   04:11:48  (  68.21, 115.75)    2.16                 5
 04/13/2018   05:02:32   ( -67.98, -76.67) 04/13/2018   05:01:20  ( -68.00, -76.86)    8.43                72
 04/15/2018   19:38:02   ( -68.29,  64.09) 04/15/2018   19:38:54  ( -68.29,  64.06)    1.29                52
 04/15/2018   20:28:46   (  68.16,-128.44) 04/15/2018   20:28:21  (  68.17,-128.43)    0.95                25
 04/15/2018   21:19:13   ( -67.27,  39.97) 04/15/2018   21:18:04  ( -67.35,  38.26)   73.77                69
 04/18/2018   11:54:56   ( -68.28, 179.88) 04/18/2018   11:55:27  ( -68.25, 179.89)    3.04                31
 04/18/2018   12:45:38   (  68.10, -12.59) 04/18/2018   12:44:53  (  68.13, -12.61)    3.27                45
 04/21/2018   03:21:13   (  68.68, 127.80) 04/21/2018   03:22:24  (  68.59, 128.53)   31.37                71
 04/21/2018   04:11:48   ( -68.22, -64.27) 04/21/2018   04:11:59  ( -68.22, -64.29)    0.72                11
 04/21/2018   05:02:32   (  68.10, 103.19) 04/21/2018   05:01:26  (  68.10, 103.22)    1.30                66
 04/23/2018   19:38:00   (  68.31,-115.93) 04/23/2018   19:39:02  (  68.28,-115.98)    3.22                62
 04/23/2018   20:28:42   ( -68.21,  51.51) 04/23/2018   20:28:32  ( -68.19,  51.54)    2.69                10
 04/23/2018   21:19:17   (  67.61,-140.44) 04/23/2018   21:18:06  (  67.68,-141.41)   41.62                71